Flash Muscle

The large, basically useless muscles of bodybuilders, Californians and Jersey Shore Characters.

Mike "The Situation" has a lot of flash muscle. Urijah Faber could beat him with one hand.

by deadheart January 15, 2011

friend muscle

To act like a tough guy when your friends are with you, to someone who you would not if you were alone.

Carlos and Jared: Did you talk any more shit to Bill when we were gone?
Xander: No, you guys werent here.
Carlos/Jared: But you're so tough, you have meaningless tattoos, you listen to rap music really loud, and you go by Xander instead of Alex or Alexander.
Xander: I guess we all just have friend muscle.

by bmazz88 June 9, 2011

Lazy Muscle

A muscle that hangs similar to fat. Some people claim that they actually are fat.

Jim looks like he gained a lot of weight, but he said that it was actually lazy muscle.

by The Grape Eater June 15, 2011

go muscle

the high stamina dense type of muscle one gets from working an intense physical job

After working on the Edmonton-Fort MacMurray rail line for a summer, Darrell was all go muscle.

by Nostradamus Bear March 16, 2012

butter muscle

A penis incapable of achieving erection due to the over consumption of alcohol and/or meat (ribs).

"Hey dude did you score with Sally last night?"
"Nah bro, I got the butter muscle"

by KCMOMAN September 24, 2012

Dude muscle

Penis, dick, cock

Wow, check out his dude muscle

by CRA March 1, 2014

turd muscle

an asshole

English Teacher: "This is the third time you haven't done your homework, Kyle."

Kyle: "I had chores to do on myself afterschool, teach!"

E T: "Oh, please, you're a turd muscle. That's why you didn't do your homework!"

by NateBlake666 June 6, 2014